/**
 * Copyright 2019, SumUp Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { describe, expect, it } from 'vitest';

import { uniqueId } from './id.js';

describe('Id', () => {
  it('should generate a unique, auto-incrementing id', () => {
    const firstActual = uniqueId();
    const firstExpected = '1';
    expect(firstActual).toBe(firstExpected);
    const secondActual = uniqueId();
    const secondExpected = '2';
    expect(secondActual).toBe(secondExpected);
  });

  it('should optionally prefix the id', () => {
    const actual = uniqueId();
    const expected = '3';
    expect(actual).toBe(expected);
  });
});
